TREA

Transducers incorporated or for use in hand-held devices

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Industry

  • CPC
  • H04R2499/11
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Parent Industries

HELECTRICITY H04Electric communication H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS DEAF-AID SETS PUBLIC ADDRESS SYSTEMS H04R2499/00Aspects covered by H04R or H04S not otherwise provided for in their subgroups

Current Industry

H04R2499/11Transducers incorporated or for use in hand-held devices
Industries